127 lines
3.1 KiB
Go
127 lines
3.1 KiB
Go
package config
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import (
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"os"
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"sync"
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"time"
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"dynatron.me/x/stillbox/internal/jsontypes"
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"github.com/rs/zerolog/log"
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"github.com/spf13/cobra"
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"gopkg.in/yaml.v3"
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)
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type Config struct {
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DB DB `yaml:"db"`
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CORS CORS `yaml:"cors"`
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Auth Auth `yaml:"auth"`
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Alerting Alerting `yaml:"alerting"`
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Log []Logger `yaml:"log"`
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Listen string `yaml:"listen"`
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Public bool `yaml:"public"`
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RateLimit RateLimit `yaml:"rateLimit"`
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Notify Notify `yaml:"notify"`
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configPath string
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}
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type Auth struct {
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JWTSecret string `yaml:"jwtsecret"`
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Domain string `yaml:"domain"`
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AllowInsecure map[string]bool `yaml:"allowInsecureFor"`
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}
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type CORS struct {
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AllowedOrigins []string `yaml:"allowedOrigins"`
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}
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type DB struct {
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Connect string `yaml:"connect"`
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}
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type Logger struct {
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File *string `yaml:"file"`
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Level *string `yaml:"level"`
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}
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type RateLimit struct {
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Enable bool `yaml:"enable"`
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Requests int `yaml:"requests"`
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Over time.Duration `yaml:"over"`
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verifyError sync.Once
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}
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type Alerting struct {
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Enable bool `yaml:"enable" form:"enable"`
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LookbackDays uint `yaml:"lookbackDays" form:"lookbackDays"`
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HalfLife jsontypes.Duration `yaml:"halfLife" form:"halfLife"`
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Recent jsontypes.Duration `yaml:"recent" form:"recent"`
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AlertThreshold float64 `yaml:"alertThreshold" form:"alertThreshold"`
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Renotify *jsontypes.Duration `yaml:"renotify,omitempty" form:"renotify,omitempty"`
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}
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type Notify []NotifyService
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type NotifyService struct {
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Provider string `yaml:"provider" json:"provider"`
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SubjectTemplate *string `yaml:"subjectTemplate" json:"subjectTemplate"`
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BodyTemplate *string `yaml:"bodyTemplate" json:"bodyTemplate"`
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Config map[string]interface{} `yaml:"config" json:"config"`
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}
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func (n *NotifyService) GetS(k, defaultVal string) string {
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if v, has := n.Config[k]; has {
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if v, isString := v.(string); isString {
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return v
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}
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log.Error().Str("configKey", k).Str("provider", n.Provider).Str("default", defaultVal).Msg("notify config value is not a string! using default")
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}
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return defaultVal
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}
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func (rl *RateLimit) Verify() bool {
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if rl.Enable {
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if rl.Requests > 0 && rl.Over > 0 {
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return true
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}
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rl.verifyError.Do(func() {
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log.Error().Int("requests", rl.Requests).Str("over", rl.Over.String()).Msg("rate limit config makes no sense, disabled")
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})
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}
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return false
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}
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func (c *Config) PreRunE() func(*cobra.Command, []string) error {
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return func(cmd *cobra.Command, args []string) error {
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return c.ReadConfig()
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}
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}
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func New(rootCommand *cobra.Command) *Config {
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c := &Config{}
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rootCommand.PersistentFlags().StringVarP(&c.configPath, "config", "c", "config.yaml", "configuration file")
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return c
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}
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func (c *Config) ReadConfig() error {
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cfgBytes, err := os.ReadFile(c.configPath)
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if err != nil {
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return err
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}
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err = yaml.Unmarshal(cfgBytes, c)
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if err != nil {
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return err
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}
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log.Info().Str("configPath", c.configPath).Msg("read config")
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return nil
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}
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